____ is a good conductor, so any window of this type should have a thermal break in the sash as well as the frame to reduce heat transfer.
A) Fiberglass
B) Wood
C) Vinyl
D) Metal

Question

Quizplus · Accepted Answer

Metal is a good conductor of heat, which means it can easily transfer heat. To prevent excessive heat loss or gain through windows, metal frames often incorporate a thermal break - a material with low thermal conductivity placed between the inside and outside of the frame to reduce heat transfer.

____ Is a Good Conductor, So Any Window of This